Hot-water heater.



J. REESOR & 0. 'W. STEEL.

HOT WATER HEATER.

APPLICATION rmm PBB.10,1908.

Patented May 4, 1909.

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JESSE REESOR AND CURISITOPUER WILLMOT STEEL, OF TORONTO, ()N'lARlO, CAN ADA.

HOT-WATER HEATER.

T a all whom it may concern:

Be it known that we, Jnssn Hanson, motorman, and CHRISTOPHER TYILLMOT S'rninl, street-railway divisional superinteiulent, both of the city of Toronto, in the county of York, in the Province of Ontario, Oanada, have invented certain new and useful improvements in Hot-Water Heaters, of which the following is the specification.

Our invention relates to improvements in hot water heaters, and the object of the invention is to devise a heater of this class in which coal may be advantageously and economically used and a maximum degree of heat maintained in the water of the heater with a minimum amount of fuel, and practically all smoke and gas consumed, and it consists essentially of a fire pot provided with a suitable base and an encompassing water jacket, a central water section communicating at the bottom with the water jacket, a central air supply pipe located in the center of the water section and having branch pipes leading from the fire pot thereinto and a flaring upper end, a superimposed heater connected to the central section by a pipe, and having vertical tubes extending upwardly therethrough, a suitable chamber into which the top of the tub es are connected and a pipe extending centrally through the top of the superimposed heater, the parts being constructed and otherwise arranged in detail as hereinafter more particularly explained.

The drawing represents a sectional view of our heater.

A is the base of the heater, which may be formed in any suitable manner, and B is the fire pot having the outer water jacket B.

C is a central water section which communicates at the bottom through the pipe .1) with the water jacket B.

E is a central air supply pipe from which leads a branch E to a point outside the periphery of the base. The fire pot B is pro vided with any suitable form of it is hardly necessary for us here to describe.

E are a series of pipes or tubes leading from the fire pot at an incline upwardly into the air supply pipe E. The top E of the air supply pipe E is made flaring, as indicated, the diameter of the top being made approximately and preferably slightly larger than the group of tubes F which we shall presently describe.

F is a heater superimposed upon the top Specification of Letters Fatent.

Application filed February 10, 1908.

grate which Patented May 1909.

Serial No. 415,151.

1 B of the fire pot. The top may be made l of cast iron or any other suitable material, l and provided with a plurality of stove open- 1 ings and lids B by which the coal may be fed i into the fire pot, and a down draft created. G is a pipe leading from a top of the central section C to a point near the bottom of the superimposed heater F. l The tubes l extend upwardly through the heater to a chamber H from which extends a cylindrical pipe I.

J is the flow pipe and K is the return pi )e. The draft in the fire pot in starting the ire would be from the bottom, suitable openings being provided as shown by dotted lines to permit of such a draft. These openings would be closed as soon as the fire would be kindled and the draft would pass downwardly through the body of fuel, then centrally through the tubes E where the gas and smoke would intcrmingle with the incoming air thereby producing a secondary combustion higher in calorific value than the primary combustion produced in the fire pot proper. The intense heat produced passes upwardly through the flaring top E and tubes F and chamber H to the draft pipe I, imparting in its course heat to the water contained in the heater 1*. The calorific value of the smoke and ignited gas passing through the tubes E as well as the contact of the fire bed to the central section will heat the water in such section. Likewise the fire bed will impart heat to the water in the water jacket B and the hot water will be conveyed by the pipe G to the superhcater F at a temperature point near the such as is conducive to a very high temperature in the heater F. Although we show a heater F superimposed upon the fire bed or chamber, it will of course be understood that in some cases we 1 may dispense with the superheater, although we )rel'erably use it to obtain the best results. y \"iliat we claim as our invention is: I 1. in a hot water heater, the combination 1 with the fire pot provided with a suitable base and encompassing water picket, of a central water section extending to the botl tom of the fire pot and communicating at the 1 bottom thereof with the water jacket, and a central air supply pipe extending upwardly 1 through the central water section and communicating with the atmosphere, and branch I pipes leading from the fire pot proper I through the central section into the air supply pipe, as and for the purpose specified.

2. The combination With the fire pot having an encompassing Water jacket and suitable base and the central Water section communicatin with the Water jacket and the central air supply pipe having the branch pipes extending through the section and an upwardly flaring end, of a superimposed heater located on the top of the fire pot, tubes extending rrom the bottom upwardly therethrough above the flaring end, a chamber receiving the upper ends of the tubes and a pipe leadin from the chamber through the top of the superimposed heater, as and for the purpose specified.

3. The combination with the fire pot having an encompassing Water jacket and suitable base and the central Water section communicating With the Water jacket and the I l l I I 1 l I l 1 l i 1 central air supply pipe having the branch pipes extending through the section and an upwardly flaring end, of a superimposed heater located on the top of the fire pot, tubes extending from the bottom upwardly therethrough above the flaring end, a chamber receiving the upper ends of the tubes and a pipe leading from the chamber through the top of the superimposed heater, and a pine extending from a point near the top of the central Water section to a point near the bottom of the superimposed heater as and for the purpose specified.

JESSE REESOB. CHRISTOPHER WILLMOT STEEL. W' itnesses B. BOYD, R. COBAIN; 

